<?php
/**
 * Zend Framework
 * LICENSE
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 * @category Zend
 * @package Zend_Validate
 * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
 * @license http://framework.zend.com/license/new-bsd New BSD License
 * @version $Id: NoRecordExists.php 24593 2012-01-05 20:35:02Z matthew $
 */
/**
 *
 * @see Zend_Validate_Db_Abstract
 */
require_once 'Zend/Validate/Db/Abstract.php';

/**
 * Confirms a record does not exist in a table.
 * @category Zend
 * @package Zend_Validate
 * @uses Zend_Validate_Db_Abstract
 * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
 * @license http://framework.zend.com/license/new-bsd New BSD License
 */
class Zend_Validate_Db_NoRecordExists extends Zend_Validate_Db_Abstract {

    public function isValid ($value) {
        $valid = true;
        $this -> _setValue ($value);
        $result = $this -> _query ($value);
        if ($result) {
            $valid = false;
            $this -> _error (self::ERROR_RECORD_FOUND);
        }
        return $valid;
    }

}
